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Articles by C.E. Oshoma
Total Records ( 2 ) for C.E. Oshoma
  C.E. Oshoma and M.J. Ikenebomeh
  Growth of Aspergillus niger on rice bran medium in submerged fermentation was studied using standard methods for determinations of dry biomass, total crude protein and final pH values. It was observed that A. niger biomass cropped on rice bran medium supplemented with glucose, (NH4)2SO4, KH2PO4, MgSO4.7H2O and ZnSO4.7H2O designated as Glucose supplemented rice bran (GRB) medium was highest at 2.03±0.02g/l while the unsupplemented rice bran medium (RBM) has the lowest value of 0.97±0.00g/l. The effect of various nitrogen sources on the final biomass yield was compared. Ammonium sulphate [(NH4)2SO4] gave the highest biomass yield of 1.95±0.03g/l and sodium nitrate (NaNO3) had the lowest yield of 0.97±0.02g/l. Glucose and nitrogen supplements increased biomass yield.
  B.O. Aigbekaen and C.E. Oshoma
  The presence Enterobacter sakazakii was investigated from powdered food samples using enrichment procedure of Enterobacteriaceae Enrichment Broth (EEB), Violet Red Bile Glucose Agar (VRBGA) and Tryptic Soy Agar (TSA). A total of 140 food samples were tested. E. sakazakii was isolated from 20/70 powdered infant foods, 13/50 powdered milk and 5/20 milk-based products, making a total of 27.1% prevalence. The isolates were tested for their susceptibility to 15 antibiotics. The results showed that streptomycin was the most effective (94.7%), followed by ofloxacin (92.1%), levofloxacin (84.2%), ciprofloxacin (79.0%), pefloxacin (79.0%) and gentamycin (65.8%). The organism was resistant to rifampicin and amoxicillin.
 
 
 
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